1. This is DOS driver for PIO-D48 2. Software installation: Copy all files of this floppy into your disk. 3. Software version: Ver. 2.1 4. Software update date: 1999,08,12 The list of demo programs: DEMO1: D/O Demo DEMO2: D/I Demo DEMO3: D/I/O Demo DEMO4: Timer Interrupt of INT_CHAN_3 DEMO5: Event Counter (no interrupt) of INT_CHAN_2 (init_HIGH & active_Low) DEMO6: Event Counter (no interrupt) of INT_CHAN_2 (init_Low & active_HIGH) DEMO7: Down-Counter (interrupt) of INT_CHAN_2 (init_HIGH & active_Low) DEMO8: Interrupt demo of INT_CHAN_0 (PC7 of Port2 don¡¦t care) DEMO9: Interrupt demo of INT_CHAN_0 (PC7 of Port2 interrupt is enable) DEMO10: Interrupt demo of INT_CHAN_1 (PC7 of Port5 interrupt is disable) DEMO11: Interrupt demo of INT_CHAN_0 & INT_CHAN_1